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Finding the Fourth Proportional to 54,587.52, 81,859.68 and 20,848.32

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Solution

The fourth proportional to 54,587.52, 81,859.68 and 20,848.32 is: 31,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.52 : 81,859.68 = 20,848.32 : x
  2. Step 2: Convert to fraction form
    54,587.52/81,859.68 = 20,848.32/x
  3. Step 3: Cross multiply
    54,587.52x = 81,859.68 × 20,848.32
  4. Step 4: Simplify right side
    54,587.52x = 1,706,636,803.74
  5. Step 5: Solve for x
    x = 1,706,636,803.74/54,587.52
  6. Step 6: Final answer
    x = 31,264.23

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